/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:59:27,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:59:27,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:59:27,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:59:27,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:59:27,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:59:27,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:59:27,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:59:27,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:59:27,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:59:27,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:59:27,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:59:27,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:59:27,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:59:27,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:59:27,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:59:27,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:59:27,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:59:27,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:59:27,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:59:27,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:59:27,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:59:27,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:59:27,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:59:27,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-06 00:59:27,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-06 00:59:27,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-06 00:59:27,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-06 00:59:27,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-06 00:59:27,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-06 00:59:27,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 00:59:27,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 00:59:27,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 00:59:27,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 00:59:27,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 00:59:27,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 00:59:27,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 00:59:27,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 00:59:27,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:59:27,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:59:27,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:59:27,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:59:27,978 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:59:27,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:59:27,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:59:27,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:59:27,981 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:59:27,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:59:27,981 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:59:27,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:59:27,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:59:27,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:59:27,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:59:27,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:59:27,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:59:27,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:59:27,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:59:27,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:59:27,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:59:27,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:59:27,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:59:27,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:59:27,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:59:27,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:59:27,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:59:27,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:59:27,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:59:27,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:59:27,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:59:27,987 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:59:27,987 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:59:27,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:59:27,987 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:59:28,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:59:28,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:59:28,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:59:28,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:59:28,291 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:59:28,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2020-10-06 00:59:28,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d8f2e0b/2b7eb7ef98c941e681861589c6fad6e3/FLAGfe6d45430 [2020-10-06 00:59:28,876 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:59:28,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2020-10-06 00:59:28,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d8f2e0b/2b7eb7ef98c941e681861589c6fad6e3/FLAGfe6d45430 [2020-10-06 00:59:29,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d8f2e0b/2b7eb7ef98c941e681861589c6fad6e3 [2020-10-06 00:59:29,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:59:29,212 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:59:29,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:59:29,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:59:29,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:59:29,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:59:29" (1/1) ... [2020-10-06 00:59:29,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff41f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:29, skipping insertion in model container [2020-10-06 00:59:29,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:59:29" (1/1) ... [2020-10-06 00:59:29,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:59:29,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:59:29,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:59:29,893 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:59:29,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:59:30,051 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:59:30,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30 WrapperNode [2020-10-06 00:59:30,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:59:30,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:59:30,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:59:30,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:59:30,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:59:30,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:59:30,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:59:30,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:59:30,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... [2020-10-06 00:59:30,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:59:30,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:59:30,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:59:30,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:59:30,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:59:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-06 00:59:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:59:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 00:59:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:59:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:59:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-06 00:59:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-06 00:59:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-06 00:59:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-06 00:59:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-06 00:59:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-06 00:59:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-06 00:59:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 00:59:30,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:59:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:59:30,260 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:59:33,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:59:33,589 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-06 00:59:33,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:59:33 BoogieIcfgContainer [2020-10-06 00:59:33,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:59:33,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:59:33,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:59:33,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:59:33,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:59:29" (1/3) ... [2020-10-06 00:59:33,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55416108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:59:33, skipping insertion in model container [2020-10-06 00:59:33,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:59:30" (2/3) ... [2020-10-06 00:59:33,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55416108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:59:33, skipping insertion in model container [2020-10-06 00:59:33,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:59:33" (3/3) ... [2020-10-06 00:59:33,608 INFO L109 eAbstractionObserver]: Analyzing ICFG safe003_power.opt.i [2020-10-06 00:59:33,624 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:59:33,625 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:59:33,638 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-06 00:59:33,639 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:59:33,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,717 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,717 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,717 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,718 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,718 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,725 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,726 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,730 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,730 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,745 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,755 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,756 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,781 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,782 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,782 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,782 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,786 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,787 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,787 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,800 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,802 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,807 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,809 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,810 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,813 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,814 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,815 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,816 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,817 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,818 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,819 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,822 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,829 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:59:33,861 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:59:33,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:59:33,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:59:33,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:59:33,896 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:59:33,901 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:59:33,902 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:59:33,902 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:59:33,902 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:59:33,933 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 111 transitions, 237 flow [2020-10-06 00:59:33,936 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2020-10-06 00:59:34,062 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-06 00:59:34,062 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:59:34,071 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:59:34,077 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2020-10-06 00:59:34,124 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2020-10-06 00:59:34,124 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:59:34,126 INFO L80 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2020-10-06 00:59:34,129 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1650 [2020-10-06 00:59:34,130 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:59:34,503 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 70 [2020-10-06 00:59:34,532 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 4, 2, 1] term [2020-10-06 00:59:34,533 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:34,535 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-06 00:59:34,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:34,639 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-06 00:59:39,569 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 406 DAG size of output: 364 [2020-10-06 00:59:39,582 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-06 00:59:39,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:39,643 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 4, 3, 2, 1] term [2020-10-06 00:59:39,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:39,647 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-06 00:59:39,648 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:39,652 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-06 00:59:39,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:39,654 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 3, 2, 1] term [2020-10-06 00:59:39,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:39,655 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-06 00:59:39,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-06 00:59:41,801 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 198 DAG size of output: 174 [2020-10-06 00:59:42,139 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-06 00:59:42,248 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-06 00:59:43,634 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-06 00:59:43,764 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-06 00:59:44,335 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2020-10-06 00:59:44,578 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-06 00:59:44,585 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5333 [2020-10-06 00:59:44,585 INFO L214 etLargeBlockEncoding]: Total number of compositions: 90 [2020-10-06 00:59:44,588 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 29 transitions, 73 flow [2020-10-06 00:59:44,674 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1124 states. [2020-10-06 00:59:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states. [2020-10-06 00:59:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-06 00:59:44,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:44,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-06 00:59:44,709 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:44,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:44,715 INFO L82 PathProgramCache]: Analyzing trace with hash 44730311, now seen corresponding path program 1 times [2020-10-06 00:59:44,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:44,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444385303] [2020-10-06 00:59:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:44,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444385303] [2020-10-06 00:59:44,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:44,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:59:44,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [711384827] [2020-10-06 00:59:44,972 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:44,974 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:44,987 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-06 00:59:44,988 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:44,993 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:44,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 00:59:44,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:45,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 00:59:45,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:59:45,011 INFO L87 Difference]: Start difference. First operand 1124 states. Second operand 3 states. [2020-10-06 00:59:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:45,110 INFO L93 Difference]: Finished difference Result 937 states and 3000 transitions. [2020-10-06 00:59:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 00:59:45,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-06 00:59:45,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:45,140 INFO L225 Difference]: With dead ends: 937 [2020-10-06 00:59:45,140 INFO L226 Difference]: Without dead ends: 687 [2020-10-06 00:59:45,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 00:59:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2020-10-06 00:59:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2020-10-06 00:59:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-10-06 00:59:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 2150 transitions. [2020-10-06 00:59:45,280 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 2150 transitions. Word has length 4 [2020-10-06 00:59:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:45,281 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 2150 transitions. [2020-10-06 00:59:45,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 00:59:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 2150 transitions. [2020-10-06 00:59:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-06 00:59:45,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:45,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:45,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:59:45,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:45,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:45,285 INFO L82 PathProgramCache]: Analyzing trace with hash -329263419, now seen corresponding path program 1 times [2020-10-06 00:59:45,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:45,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437495521] [2020-10-06 00:59:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:45,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437495521] [2020-10-06 00:59:45,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:45,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:59:45,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [747018216] [2020-10-06 00:59:45,455 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:45,457 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:45,459 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-06 00:59:45,459 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:45,459 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:45,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:59:45,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:45,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:59:45,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:59:45,462 INFO L87 Difference]: Start difference. First operand 687 states and 2150 transitions. Second operand 4 states. [2020-10-06 00:59:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:45,507 INFO L93 Difference]: Finished difference Result 762 states and 2295 transitions. [2020-10-06 00:59:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:45,508 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-06 00:59:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:45,514 INFO L225 Difference]: With dead ends: 762 [2020-10-06 00:59:45,514 INFO L226 Difference]: Without dead ends: 637 [2020-10-06 00:59:45,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:45,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-06 00:59:45,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2020-10-06 00:59:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-10-06 00:59:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1970 transitions. [2020-10-06 00:59:45,540 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1970 transitions. Word has length 10 [2020-10-06 00:59:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:45,541 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 1970 transitions. [2020-10-06 00:59:45,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:59:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1970 transitions. [2020-10-06 00:59:45,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 00:59:45,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:45,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:45,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:59:45,545 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:45,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1647507565, now seen corresponding path program 1 times [2020-10-06 00:59:45,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:45,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474314139] [2020-10-06 00:59:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:45,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474314139] [2020-10-06 00:59:45,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:45,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:59:45,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [443912692] [2020-10-06 00:59:45,696 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:45,698 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:45,700 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 15 transitions. [2020-10-06 00:59:45,700 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:45,721 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:45,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:59:45,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:45,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:59:45,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:45,722 INFO L87 Difference]: Start difference. First operand 637 states and 1970 transitions. Second operand 5 states. [2020-10-06 00:59:45,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:45,776 INFO L93 Difference]: Finished difference Result 687 states and 2050 transitions. [2020-10-06 00:59:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:45,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-06 00:59:45,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:45,783 INFO L225 Difference]: With dead ends: 687 [2020-10-06 00:59:45,783 INFO L226 Difference]: Without dead ends: 587 [2020-10-06 00:59:45,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:59:45,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-10-06 00:59:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2020-10-06 00:59:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-06 00:59:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1790 transitions. [2020-10-06 00:59:45,810 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1790 transitions. Word has length 11 [2020-10-06 00:59:45,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:45,811 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 1790 transitions. [2020-10-06 00:59:45,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:59:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1790 transitions. [2020-10-06 00:59:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:59:45,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:45,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:45,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:59:45,821 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:45,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:45,821 INFO L82 PathProgramCache]: Analyzing trace with hash 464987692, now seen corresponding path program 1 times [2020-10-06 00:59:45,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:45,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395264498] [2020-10-06 00:59:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:45,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395264498] [2020-10-06 00:59:45,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:45,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 00:59:45,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1665816900] [2020-10-06 00:59:45,956 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:45,958 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:45,960 INFO L258 McrAutomatonBuilder]: Finished intersection with 17 states and 20 transitions. [2020-10-06 00:59:45,961 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:45,979 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:45,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:59:45,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:45,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:59:45,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:59:45,981 INFO L87 Difference]: Start difference. First operand 587 states and 1790 transitions. Second operand 4 states. [2020-10-06 00:59:46,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:46,033 INFO L93 Difference]: Finished difference Result 632 states and 1871 transitions. [2020-10-06 00:59:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:46,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-06 00:59:46,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:46,039 INFO L225 Difference]: With dead ends: 632 [2020-10-06 00:59:46,039 INFO L226 Difference]: Without dead ends: 557 [2020-10-06 00:59:46,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:46,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-06 00:59:46,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2020-10-06 00:59:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-06 00:59:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1686 transitions. [2020-10-06 00:59:46,058 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1686 transitions. Word has length 12 [2020-10-06 00:59:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:46,058 INFO L479 AbstractCegarLoop]: Abstraction has 557 states and 1686 transitions. [2020-10-06 00:59:46,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:59:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1686 transitions. [2020-10-06 00:59:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-06 00:59:46,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:46,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:46,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:59:46,060 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:46,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1529782049, now seen corresponding path program 1 times [2020-10-06 00:59:46,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:46,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170154697] [2020-10-06 00:59:46,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:46,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170154697] [2020-10-06 00:59:46,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:46,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:59:46,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1419018222] [2020-10-06 00:59:46,235 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:46,238 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:46,242 INFO L258 McrAutomatonBuilder]: Finished intersection with 20 states and 25 transitions. [2020-10-06 00:59:46,242 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:46,288 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:46,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 00:59:46,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:46,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 00:59:46,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:59:46,289 INFO L87 Difference]: Start difference. First operand 557 states and 1686 transitions. Second operand 6 states. [2020-10-06 00:59:46,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:46,415 INFO L93 Difference]: Finished difference Result 1223 states and 3612 transitions. [2020-10-06 00:59:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 00:59:46,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-06 00:59:46,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:46,420 INFO L225 Difference]: With dead ends: 1223 [2020-10-06 00:59:46,420 INFO L226 Difference]: Without dead ends: 623 [2020-10-06 00:59:46,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-06 00:59:46,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-10-06 00:59:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 407. [2020-10-06 00:59:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-10-06 00:59:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1151 transitions. [2020-10-06 00:59:46,436 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1151 transitions. Word has length 13 [2020-10-06 00:59:46,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:46,436 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 1151 transitions. [2020-10-06 00:59:46,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 00:59:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1151 transitions. [2020-10-06 00:59:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-06 00:59:46,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:46,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:46,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:59:46,438 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:46,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash -329574585, now seen corresponding path program 1 times [2020-10-06 00:59:46,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:46,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510816842] [2020-10-06 00:59:46,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:46,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510816842] [2020-10-06 00:59:46,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:46,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:59:46,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [31844077] [2020-10-06 00:59:46,537 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:46,539 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:46,542 INFO L258 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-06 00:59:46,542 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:46,543 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:46,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:59:46,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:46,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:59:46,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:59:46,544 INFO L87 Difference]: Start difference. First operand 407 states and 1151 transitions. Second operand 4 states. [2020-10-06 00:59:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:46,586 INFO L93 Difference]: Finished difference Result 614 states and 1715 transitions. [2020-10-06 00:59:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:46,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-06 00:59:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:46,589 INFO L225 Difference]: With dead ends: 614 [2020-10-06 00:59:46,589 INFO L226 Difference]: Without dead ends: 281 [2020-10-06 00:59:46,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-06 00:59:46,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2020-10-06 00:59:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-06 00:59:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 794 transitions. [2020-10-06 00:59:46,599 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 794 transitions. Word has length 14 [2020-10-06 00:59:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:46,599 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 794 transitions. [2020-10-06 00:59:46,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:59:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 794 transitions. [2020-10-06 00:59:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:59:46,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:46,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:46,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:59:46,601 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:46,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:46,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1625489722, now seen corresponding path program 1 times [2020-10-06 00:59:46,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:46,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537754027] [2020-10-06 00:59:46,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:46,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537754027] [2020-10-06 00:59:46,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:46,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:59:46,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1440239192] [2020-10-06 00:59:46,692 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:46,695 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:46,701 INFO L258 McrAutomatonBuilder]: Finished intersection with 24 states and 30 transitions. [2020-10-06 00:59:46,701 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:46,702 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:46,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:59:46,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:46,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:59:46,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:46,703 INFO L87 Difference]: Start difference. First operand 281 states and 794 transitions. Second operand 5 states. [2020-10-06 00:59:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:46,767 INFO L93 Difference]: Finished difference Result 425 states and 1202 transitions. [2020-10-06 00:59:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:46,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-06 00:59:46,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:46,771 INFO L225 Difference]: With dead ends: 425 [2020-10-06 00:59:46,771 INFO L226 Difference]: Without dead ends: 245 [2020-10-06 00:59:46,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:59:46,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-06 00:59:46,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2020-10-06 00:59:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-06 00:59:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 674 transitions. [2020-10-06 00:59:46,781 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 674 transitions. Word has length 15 [2020-10-06 00:59:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:46,781 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 674 transitions. [2020-10-06 00:59:46,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:59:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 674 transitions. [2020-10-06 00:59:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:59:46,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:46,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:46,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:59:46,783 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:46,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1626815902, now seen corresponding path program 2 times [2020-10-06 00:59:46,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:46,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710025288] [2020-10-06 00:59:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:46,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710025288] [2020-10-06 00:59:46,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:46,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 00:59:46,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1360352434] [2020-10-06 00:59:46,990 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:46,992 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:46,997 INFO L258 McrAutomatonBuilder]: Finished intersection with 24 states and 30 transitions. [2020-10-06 00:59:46,997 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:46,998 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:46,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:59:46,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:46,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:59:46,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:59:46,999 INFO L87 Difference]: Start difference. First operand 245 states and 674 transitions. Second operand 7 states. [2020-10-06 00:59:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:47,283 INFO L93 Difference]: Finished difference Result 296 states and 798 transitions. [2020-10-06 00:59:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 00:59:47,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-06 00:59:47,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:47,287 INFO L225 Difference]: With dead ends: 296 [2020-10-06 00:59:47,287 INFO L226 Difference]: Without dead ends: 252 [2020-10-06 00:59:47,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-06 00:59:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-06 00:59:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 236. [2020-10-06 00:59:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-06 00:59:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 635 transitions. [2020-10-06 00:59:47,298 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 635 transitions. Word has length 15 [2020-10-06 00:59:47,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:47,299 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 635 transitions. [2020-10-06 00:59:47,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:59:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 635 transitions. [2020-10-06 00:59:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-06 00:59:47,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:47,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:47,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 00:59:47,301 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:47,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:47,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1216173281, now seen corresponding path program 1 times [2020-10-06 00:59:47,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:47,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701199932] [2020-10-06 00:59:47,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:47,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701199932] [2020-10-06 00:59:47,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:47,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-06 00:59:47,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1500067977] [2020-10-06 00:59:47,531 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:47,533 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:47,546 INFO L258 McrAutomatonBuilder]: Finished intersection with 38 states and 57 transitions. [2020-10-06 00:59:47,546 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:47,587 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:47,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-06 00:59:47,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:47,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-06 00:59:47,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:59:47,588 INFO L87 Difference]: Start difference. First operand 236 states and 635 transitions. Second operand 8 states. [2020-10-06 00:59:47,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:47,872 INFO L93 Difference]: Finished difference Result 293 states and 778 transitions. [2020-10-06 00:59:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 00:59:47,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-06 00:59:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:47,876 INFO L225 Difference]: With dead ends: 293 [2020-10-06 00:59:47,876 INFO L226 Difference]: Without dead ends: 258 [2020-10-06 00:59:47,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-06 00:59:47,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-06 00:59:47,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 249. [2020-10-06 00:59:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-06 00:59:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 676 transitions. [2020-10-06 00:59:47,885 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 676 transitions. Word has length 16 [2020-10-06 00:59:47,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:47,886 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 676 transitions. [2020-10-06 00:59:47,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-06 00:59:47,886 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 676 transitions. [2020-10-06 00:59:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-06 00:59:47,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:47,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:47,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 00:59:47,888 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:47,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:47,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1857725, now seen corresponding path program 1 times [2020-10-06 00:59:47,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:47,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368611966] [2020-10-06 00:59:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:47,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368611966] [2020-10-06 00:59:47,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:47,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:59:47,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1392897011] [2020-10-06 00:59:47,999 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:48,002 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:48,012 INFO L258 McrAutomatonBuilder]: Finished intersection with 28 states and 34 transitions. [2020-10-06 00:59:48,012 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:48,013 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:48,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 00:59:48,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:48,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 00:59:48,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 00:59:48,015 INFO L87 Difference]: Start difference. First operand 249 states and 676 transitions. Second operand 4 states. [2020-10-06 00:59:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:48,057 INFO L93 Difference]: Finished difference Result 246 states and 587 transitions. [2020-10-06 00:59:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-06 00:59:48,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-06 00:59:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:48,060 INFO L225 Difference]: With dead ends: 246 [2020-10-06 00:59:48,060 INFO L226 Difference]: Without dead ends: 185 [2020-10-06 00:59:48,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:48,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-10-06 00:59:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-10-06 00:59:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-06 00:59:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 436 transitions. [2020-10-06 00:59:48,070 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 436 transitions. Word has length 17 [2020-10-06 00:59:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:48,070 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 436 transitions. [2020-10-06 00:59:48,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 00:59:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 436 transitions. [2020-10-06 00:59:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-06 00:59:48,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:48,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:48,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-06 00:59:48,072 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:48,072 INFO L82 PathProgramCache]: Analyzing trace with hash -179139535, now seen corresponding path program 1 times [2020-10-06 00:59:48,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:48,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729956122] [2020-10-06 00:59:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:48,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729956122] [2020-10-06 00:59:48,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:48,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 00:59:48,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [342969056] [2020-10-06 00:59:48,189 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:48,236 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:48,248 INFO L258 McrAutomatonBuilder]: Finished intersection with 36 states and 47 transitions. [2020-10-06 00:59:48,249 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:48,254 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:59:48,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:59:48,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:48,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:59:48,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:59:48,255 INFO L87 Difference]: Start difference. First operand 185 states and 436 transitions. Second operand 5 states. [2020-10-06 00:59:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:48,300 INFO L93 Difference]: Finished difference Result 145 states and 297 transitions. [2020-10-06 00:59:48,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:59:48,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-06 00:59:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:48,302 INFO L225 Difference]: With dead ends: 145 [2020-10-06 00:59:48,302 INFO L226 Difference]: Without dead ends: 109 [2020-10-06 00:59:48,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-06 00:59:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-06 00:59:48,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2020-10-06 00:59:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-06 00:59:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 202 transitions. [2020-10-06 00:59:48,307 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 202 transitions. Word has length 18 [2020-10-06 00:59:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:48,307 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 202 transitions. [2020-10-06 00:59:48,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:59:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 202 transitions. [2020-10-06 00:59:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-06 00:59:48,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:48,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:48,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-06 00:59:48,309 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:48,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:48,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1837056011, now seen corresponding path program 1 times [2020-10-06 00:59:48,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:48,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627806437] [2020-10-06 00:59:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:59:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:59:48,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627806437] [2020-10-06 00:59:48,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:59:48,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-06 00:59:48,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1926820251] [2020-10-06 00:59:48,417 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:59:48,421 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:59:48,435 INFO L258 McrAutomatonBuilder]: Finished intersection with 40 states and 58 transitions. [2020-10-06 00:59:48,435 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:59:48,514 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [17080#(<= ~__unbuffered_cnt~0 0)] [2020-10-06 00:59:48,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 00:59:48,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:59:48,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 00:59:48,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:59:48,515 INFO L87 Difference]: Start difference. First operand 105 states and 202 transitions. Second operand 7 states. [2020-10-06 00:59:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:59:48,572 INFO L93 Difference]: Finished difference Result 85 states and 160 transitions. [2020-10-06 00:59:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 00:59:48,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-06 00:59:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:59:48,574 INFO L225 Difference]: With dead ends: 85 [2020-10-06 00:59:48,574 INFO L226 Difference]: Without dead ends: 75 [2020-10-06 00:59:48,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-06 00:59:48,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-06 00:59:48,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2020-10-06 00:59:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-06 00:59:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 134 transitions. [2020-10-06 00:59:48,577 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 134 transitions. Word has length 20 [2020-10-06 00:59:48,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:59:48,578 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 134 transitions. [2020-10-06 00:59:48,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 00:59:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 134 transitions. [2020-10-06 00:59:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-06 00:59:48,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:59:48,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:59:48,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-06 00:59:48,579 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:59:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:59:48,580 INFO L82 PathProgramCache]: Analyzing trace with hash 662398283, now seen corresponding path program 1 times [2020-10-06 00:59:48,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:59:48,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301598950] [2020-10-06 00:59:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:59:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:59:48,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:59:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:59:48,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:59:48,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:59:48,767 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:59:48,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-06 00:59:48,815 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,815 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,815 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,816 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,816 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,816 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,816 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,817 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,817 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,817 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,817 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,817 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,818 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,818 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,818 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,818 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,819 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,819 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,819 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,819 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,820 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,820 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,820 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,821 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,821 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,821 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,822 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,822 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,822 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,822 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,823 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,823 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,823 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,824 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,824 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,824 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,824 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,824 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,825 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,825 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,825 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,825 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,826 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,826 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,826 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,827 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,827 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,827 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,827 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,828 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,828 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,828 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,828 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,829 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,829 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,829 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,829 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,829 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,829 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,829 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,830 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,830 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,830 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,830 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,830 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,830 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-06 00:59:48,831 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-06 00:59:48,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:59:48 BasicIcfg [2020-10-06 00:59:48,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:59:48,929 INFO L168 Benchmark]: Toolchain (without parser) took 19714.59 ms. Allocated memory was 138.9 MB in the beginning and 418.9 MB in the end (delta: 280.0 MB). Free memory was 100.3 MB in the beginning and 220.0 MB in the end (delta: -119.7 MB). Peak memory consumption was 160.3 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,932 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 840.00 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 152.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.48 ms. Allocated memory is still 202.9 MB. Free memory was 152.4 MB in the beginning and 149.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,934 INFO L168 Benchmark]: Boogie Preprocessor took 58.77 ms. Allocated memory is still 202.9 MB. Free memory was 149.7 MB in the beginning and 147.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,934 INFO L168 Benchmark]: RCFGBuilder took 3408.25 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 147.0 MB in the beginning and 118.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,938 INFO L168 Benchmark]: TraceAbstraction took 15328.08 ms. Allocated memory was 248.0 MB in the beginning and 418.9 MB in the end (delta: 170.9 MB). Free memory was 116.0 MB in the beginning and 220.0 MB in the end (delta: -104.0 MB). Peak memory consumption was 66.9 MB. Max. memory is 7.1 GB. [2020-10-06 00:59:48,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 840.00 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.1 MB in the beginning and 152.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 72.48 ms. Allocated memory is still 202.9 MB. Free memory was 152.4 MB in the beginning and 149.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.77 ms. Allocated memory is still 202.9 MB. Free memory was 149.7 MB in the beginning and 147.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3408.25 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 147.0 MB in the beginning and 118.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15328.08 ms. Allocated memory was 248.0 MB in the beginning and 418.9 MB in the end (delta: 170.9 MB). Free memory was 116.0 MB in the beginning and 220.0 MB in the end (delta: -104.0 MB). Peak memory consumption was 66.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 10.6s, 119 ProgramPointsBefore, 38 ProgramPointsAfterwards, 111 TransitionsBefore, 29 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 8 FixpointIterations, 50 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 816 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5333 CheckedPairsTotal, 90 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p1_EAX = 0; [L701] 0 _Bool __unbuffered_p1_EAX$flush_delayed; [L702] 0 int __unbuffered_p1_EAX$mem_tmp; [L703] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; [L704] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; [L705] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; [L706] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd3; [L707] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; [L708] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; [L709] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; [L710] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd3; [L711] 0 _Bool __unbuffered_p1_EAX$read_delayed; [L712] 0 int *__unbuffered_p1_EAX$read_delayed_var; [L713] 0 int __unbuffered_p1_EAX$w_buff0; [L714] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; [L715] 0 int __unbuffered_p1_EAX$w_buff1; [L716] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; [L718] 0 int __unbuffered_p2_EAX = 0; [L720] 0 int __unbuffered_p2_EBX = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L725] 0 _Bool x$flush_delayed; [L726] 0 int x$mem_tmp; [L727] 0 _Bool x$r_buff0_thd0; [L728] 0 _Bool x$r_buff0_thd1; [L729] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool x$r_buff0_thd3; [L731] 0 _Bool x$r_buff1_thd0; [L732] 0 _Bool x$r_buff1_thd1; [L733] 0 _Bool x$r_buff1_thd2; [L734] 0 _Bool x$r_buff1_thd3; [L735] 0 _Bool x$read_delayed; [L736] 0 int *x$read_delayed_var; [L737] 0 int x$w_buff0; [L738] 0 _Bool x$w_buff0_used; [L739] 0 int x$w_buff1; [L740] 0 _Bool x$w_buff1_used; [L742] 0 int y = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice1; [L745] 0 _Bool weak$$choice2; [L842] 0 pthread_t t1852; [L843] FCALL, FORK 0 pthread_create(&t1852, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L844] 0 pthread_t t1853; [L845] FCALL, FORK 0 pthread_create(&t1853, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L846] 0 pthread_t t1854; [L847] FCALL, FORK 0 pthread_create(&t1854, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L778] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L779] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L780] 2 x$flush_delayed = weak$$choice2 [L781] EXPR 2 \read(x) [L781] 2 x$mem_tmp = x [L782] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L783] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))) [L783] EXPR 2 x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)) [L783] EXPR 2 weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1) [L783] EXPR 2 weak$$choice1 ? x$w_buff0 : x$w_buff1 [L783] EXPR 2 weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1) [L783] EXPR 2 x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)) [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x))) [L783] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L783] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L784] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L784] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L785] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L785] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L786] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L786] EXPR 2 !x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0))) [L786] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L786] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L787] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L787] EXPR 2 !x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L787] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L787] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L788] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L788] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L789] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L789] EXPR 2 !x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L789] EXPR 2 !x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))) [L789] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L789] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L790] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L791] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L792] EXPR 2 \read(x) [L792] 2 __unbuffered_p1_EAX = x [L793] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L793] EXPR 2 \read(x) [L793] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L793] 2 x = x$flush_delayed ? x$mem_tmp : x [L794] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L797] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L814] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L800] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L800] EXPR 2 \read(x) [L800] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L800] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L801] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L802] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L803] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L803] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L804] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L804] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L807] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L809] 2 return 0; [L817] 3 __unbuffered_p2_EBX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L749] 1 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L820] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L820] EXPR 3 \read(x) [L820] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L820] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L821] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L821] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L822] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L822] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L823] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L823] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L824] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L824] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L827] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L829] 3 return 0; [L752] 1 x$w_buff1 = x$w_buff0 [L753] 1 x$w_buff0 = 1 [L754] 1 x$w_buff1_used = x$w_buff0_used [L755] 1 x$w_buff0_used = (_Bool)1 [L7] COND FALSE 1 !(!expression) [L757] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L758] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L759] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L760] 1 x$r_buff1_thd3 = x$r_buff0_thd3 [L761] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=255, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L764] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L764] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L764] EXPR 1 \read(x) [L764] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L764] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L764] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L765] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L765] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L766] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L766] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L767] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L767] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L768] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L768] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 1 return 0; [L849] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L853] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L853] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L854] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L854] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L855] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L855] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L856] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L856] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L857] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L857] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L860] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L861] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L861] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L861] EXPR 0 \read(*__unbuffered_p1_EAX$read_delayed_var) [L861] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L861] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L861] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff0_thd3=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$r_buff1_thd3=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={6:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x={6:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 110 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.8s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.7s, HoareTripleCheckerStatistics: 338 SDtfs, 412 SDslu, 626 SDs, 0 SdLazy, 317 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 249 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 14294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...